4248731 has 2 divisors, whose sum is σ = 4248732. Its totient is φ = 4248730.

The previous prime is 4248719. The next prime is 4248733. The reversal of 4248731 is 1378424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4248731 - 2⁶ = 4248667 is a prime.

It is a super-2 number, since 2×4248731² = 36103430220722, which contains 22 as substring.

Together with 4248733, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4⁶ + 2¹⁵ + 4¹¹ + 8³ + 7⁵ + 3⁵ + 1 .

It is a junction number, because it is equal to n+sod(n) for n = 4248694 and 4248703.

It is not a weakly prime, because it can be changed into another prime (4248733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2124365 + 2124366.

It is an arithmetic number, because the mean of its divisors is an integer number (2124366).

Almost surely, 2^4248731 is an apocalyptic number.

4248731 is a deficient number, since it is larger than the sum of its proper divisors (1).

4248731 is an equidigital number, since it uses as much as digits as its factorization.

4248731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 29.

The square root of 4248731 is about 2061.2450121225. The cubic root of 4248731 is about 161.9644666262.

The spelling of 4248731 in words is "four million, two hundred forty-eight thousand, seven hundred thirty-one".